Protecting grille of the electric fan



FIG. 1 is a perspective view of the protecting grille of the electricfan showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom elevational view thereof; and,

FIG. 7 is a top elevational view thereof.

The ornamental design for a protecting grille of an electric fan, asshown and described.